Well, he is less in the catching criminals business and more in the entertainment business, these days. He has made quite a lot of money by projecting a certain public persona. That persona is coarse and uses foul language and slurs as a matter of course. He is in a very unusual position in that using the N-word really is part of what makes him successful in his field.
Such is the state of our culture.
I vehemently do not agree with you on that.